Flexo Printing 1000 Questions (184-197)

184 water-based gold, silver ink thinner what effect?

Water-based gold and silver ink thinners are special additives for aqueous gold and silver inks. Aqueous gold and silver inks are easily oxidized and darkened. They are not suitable for contact with acids, alkalis, alcohols, and polar solvents. Therefore, conventional water-based ink stabilizers are used. Blockers, dilutants, and alcohol solvents cannot be used. Water-based gold and silver ink thinners are mainly used to adjust and reduce the viscosity of aqueous gold and silver inks.

185 What is the role of ink cleaners?

The cleaning agent is mainly used to clean the flexo plate, it can also be used to clean the anilox roller and ink roller, and it is very effective in cleaning the dry ink. The detergent is a concentrated liquid and is diluted with 8-10 times of water in use and mixed uniformly.

186 What are the types of ink?

In recent years, with the advancement of water-based ink binders, pigments and processing technologies, the quality of water-based inks has been greatly improved, the variety has become more and more, and it has been able to adapt to the printing of more sophisticated products, and the range of applications has become wider and wider. Not only can be printed on various coated paper, offset paper, and whiteboard paper, but also on various printing media such as aluminum foil, gold and silver cardboard, synthetic paper and plastic coated paper, plastic film, self-adhesive paper and corrugated paperboard. On the print.

The main types of water-based inks on the market today are: high-precision ink, polyolefin ink, aluminum foil ink, carton ink, water-based gold and silver ink, decorative wallpaper ink, pearl ink, fluorescent ink, heat-resistant ink, cork paper ink, waterborne Varnish.

The above ink type has already been produced by professional printing material manufacturers in China. For example, ink companies in Beijing, Tianjin, Shanghai, Xi'an, Hangzhou, Guangzhou, Luoyang, and Qingzhou have different grades and varieties of ink products.

187 high precision ink application scope and characteristics?

High-precision ink is suitable for flexo printing and gravure printing of paper color fine products. It has the characteristics of good printability, high definition of printed images, vivid colors, firm attachment, and stable storage.

188 What is the scope and characteristics of polyolefin ink?

Polyolefin ink is suitable for the printing of PE, PVC, PET, BOPP and other film materials with corona treatment on the surface. It has the characteristics of firm adhesion, water resistance, abrasion resistance, resistance to freezing, and good printability.

189 aluminum foil ink application scope and characteristics?

Aluminum foil ink is suitable for printing on aluminum foil, vacuum aluminum-plated paper and gold and silver cardboard. It has the characteristics of firm adhesion, strong water resistance, and good printability.

190 carton ink application scope and characteristics?

Carton ink is suitable for high-grade color carton printing. It has the characteristics of firm adhesion, water resistance, abrasion resistance, etc. The wipe will not fade, and it will not fade if soaked in water.

191 water-based gold and silver ink application scope and characteristics?

Water-based gold and silver inks are suitable for high-grade trademarks, packaging and printing, and are made of imported raw materials that have been subjected to anti-oxidation treatment. They have strong metallic luster and good printability. The market also supplies various gold, silver ink special diluents, additives and color inks.

What is the scope and characteristics of 192 decorative wallpaper ink?

The decorative wallpaper ink is suitable for the printing of wallpaper and other architectural decoration materials and furniture decoration materials, and has the characteristics of fast drying, no pollution, no residual odor, water resistance, abrasion resistance, and good printability.

193 pearl ink application scope and characteristics?

Pearlescent ink is suitable for a variety of high-grade trademark printing, with features such as elegant color, strong texture, and firm attachment. In addition to the common silver-white pearlescent ink, there are other pearlescent inks with various colors and rainbow interference effects.

194 What is the scope and characteristics of fluorescent ink?

Fluorescent ink is suitable for special trademark printing, with certain anti-counterfeiting functions and strong adhesion, strong water resistance, and good printability.

What is the scope and characteristics of 195 heat-resistant ink?

Heat-resistant inks are suitable for printing products that require heat-resistant temperatures of 180-200°C, and can also be used for flexo-printing in color cartons. They are characterized by fast drying, resistance to water, abrasion, and firm attachment.

196 What is the scope and characteristics of the tipping paper ink?

Cork paper ink is suitable for all kinds of environment-friendly tipping paper printing, and has the characteristics of non-toxic, odorless, dull, fast drying, strong water resistance and non-crimping of printed paper.

197 What is the application scope and characteristics of waterborne varnish?

Waterborne varnish is suitable for flexo, gravure and offset on-line glazing, and can also be used for off-line glazing. It has the characteristics of non-toxic, odorless, fast drying, good gloss, smooth and wear-resisting, and firm adhesion. In addition to water-based glosses for paper coatings, there are aqueous coatings for polyolefin films.

(author/Shi Jianping)

Source: "Printing Technology"